Vertex Wrench Rabbit Engine Rebuild Kit – YZ250F (2005–2007)
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Vertex Wrench Rabbit Complete Engine Rebuild Kit – Yamaha YZ250F (2005–2007)
Description
Fully restore your Yamaha YZ250F with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-084) — a complete top and bottom end overhaul solution built for serious riders and professional rebuilders.
This precision-engineered kit combines Hot Rods, Vertex, and Cometic components to return your 4-stroke engine to peak performance. Whether you’re replacing a worn crankshaft or doing a full powerplant refresh, this kit includes every gasket, seal, and bearing required to rebuild your YZ250F from the cases up.
What’s Included
✅ Hot Rods Crankshaft Assembly – trued, balanced, and ready to install
✅ Vertex Piston Kit – includes piston, rings, wrist pin, and clips
✅ Complete Engine Gasket Kit – full top and bottom coverage
✅ Oil Seal Kit – heat- and pressure-resistant OEM-grade seals
✅ Main Bearing & Seal Kit – premium crank bearings for long life
✅ Water Pump Rebuild Kit – includes seals, bearings, and impeller gaskets
✅ Transmission Bearing Kit – all transmission bearings included
✅ Countershaft Bushing & Seal Kit
✅ Cam Chain – precision chain to maintain accurate timing
✅ Counter Balancer Bearings (where applicable)
Each component is matched for reliability, durability, and OEM fitment.
Fitment
📦 Fits the following models:
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Yamaha YZ250F (2005–2007)
Key Features
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Complete top & bottom end rebuild kit for the YZ250F
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One-box solution with all critical rotating and sealing components
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Restores factory compression, oil pressure, and power delivery
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Perfect for high-hour, performance, or race engine rebuilds
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Compatible with stock or aftermarket internal parts
Displacement: 250 cc
Engine Type: 4-Stroke
Weight: 13.25 lb
Warranty Info
🛡️ Covered by Vertex / Wrench Rabbit Limited Manufacturer Warranty
All parts meet or exceed OEM specifications. Professional installation recommended.
Price & SKU
💲 Retail Price: $1,071.95
SKU: 0903-1019 / WR101-084
Estimated Shipping Weight: 13.25 lb
Handling: Ships next business day
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
